Shared Flashcard Set

Details

KU Heinly Physiological Psych
Test 4
20
Psychology
Undergraduate 4
12/09/2009

Additional Psychology Flashcards

 


 

Cards

Term
Geniculostriate Pathway
Definition

Retina>LGN>IV Primary visual cortex>split to two>temporal lobe and parietal lobe

 

All parvocellular and some magnocellular

Term
Tectopulvinar Pathway
Definition

Retina>Superior colliculus>Pulvinar>Split into two > lateral to temporal and medial to parietal

 

All magnocellular

Term

What is the How?

 

and what does it control

Definition

The parietal - Doral stream

 

visual guidance of movements

 

Term

What is the What area?

 

What does it do?

Definition

The temporal  ventral stream

 

visual perception

Term
What respondes to catagories of shapes and objects?
Definition
The neurons in the temporal lobe
Term

What is the theory that emphasizes the importance of pairs of colors

 

what pecentage of the cells are color sensitive?

Definition

Opponent process theory

 

60%

Term
What is an ocular dominance column?
Definition
a column in the visual cortex maximally responsive to information coming in from one eye
Term
What are two causes of colorblindness
Definition

1.  absence of either medium or long wave lenght receptors

 

2.  if you are missing 2 types of cones you don't see any color

Term
Describe a cortical column
Definition
It is an organization characterized by 6 layers and perpendicular to the cortical surfacde
Term
What are some of the names for the vision center
Definition
Primary visual cortex - V1 - striate cortex
Term
What is a blob
Definition
It is color sensitive neurons that are revealed by staining for cytochrome oxidace
Term
If you have damage to the V4 what happens
Definition
color consistancy issues
Term
If you have damage to the parietal lobe what happens
Definition
grasp problems how to pick something up
Term
The How....give details, name, what it does
Definition

It is the dorsal

Parietal

an online analysis to make accurate movements in relation to objects

Term
The what....give details
Definition

Temporal lobe

object identification

Ventral

Term
What is homonymous hemianopia?
Definition
blindness in an entire l/r visual field
Term
What is a scomata
Definition
a damaged visual field.  a small spot
Term
What is the receptive field hierarchy
Definition

Ganglion cells>LGN>V1

many ganglion cells convert to fewer lgn which converts to one cell in the V1

The message gets condensed as it travels

Term
What are cells along the midline of the receptive fields connected by?
Definition
corpus callosum
Supporting users have an ad free experience!